Yıldırım, Cemal Logic : the study of deductive reasoning / Cemal Yıldırım. - Revised and enlarged 2nd ed. - Ankara : METU, 1973. - viii, 312 s. : tbl. ; 24 cm - Faculty of Arts and Sciences publication ; no. 11. . Kaynakça: s. 307-310.Dizin var. Source: bağış Subjects--Topical Terms: MantıkLogicLogic, Symbolic and mathematical. LC Class. No.: BC 71 / Y55 1973